Basic Violet 1/ Methyl Violet 5BN / Methyl Violet 2B powder or crystal

Basic Violet 1/ Methyl Violet 5BN /Methyl Violet 2B powder or crystal C.I. 42525 CAS NO.: 8004-87-3 Molecular formula: C29H28N3NaO7S2 Packed in 25kgs Iron Drum Used for dyeing wool, silk, paper etc

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